clk: Fix incorrect return type in clk.c

Return type of function clk_propagate_rate_change is a pointer.
But 0 was being returned. Change it to NULL.
Silences the following warning:
drivers/clk/clk.c:977:24: warning: Using plain integer as NULL pointer

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Reviewed-by: Pankaj Jangra <jangra.pankaj9@gmail.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
This commit is contained in:
Sachin Kamat 2013-03-13 15:17:49 +05:30 коммит произвёл Mike Turquette
Родитель f15ea6cbc8
Коммит 5fda6858a4
1 изменённых файлов: 1 добавлений и 1 удалений

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@ -1026,7 +1026,7 @@ static struct clk *clk_propagate_rate_change(struct clk *clk, unsigned long even
int ret = NOTIFY_DONE;
if (clk->rate == clk->new_rate)
return 0;
return NULL;
if (clk->notifier_count) {
ret = __clk_notify(clk, event, clk->rate, clk->new_rate);